Composing a linear function into a quadratic linear function

The video tutorial covers function notation, evaluating functions with numbers, and substituting expressions into functions. It explains how to simplify expressions and perform mathematical operations, while discussing the domains of functions. The tutorial also addresses common struggles students face with function composition.

What is the process of evaluating a function for a given input value?

How can you replace the input variable in a function notation?

What is the significance of defining a function like G of X?

Explain the steps involved in simplifying the expression X + 1 ^2.

What are the domains of quadratic and linear functions, and how do they relate to composition?